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GM Tech (Cam), Pontiac Technician

Category: Pontiac

Satisfied Customers: 2373

Experience: GM Grand Master Technician 2007. 14 years experience.

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Last night had to pick my daughter up because her 2004

Customer Question

last night had to pick my daughter up because her 2004 Pontiac grand prix had a reduced engine power light and no throttle responseJA: Just to clarify, what are the exact lights you're talking about?Customer: where it shows tire pressure on the side a light lit up saying reduced engine power. above the radioJA: Are you fixing your Grand Prix yourself? What have you tried so far?Customer: yes and nothing yet doing researchJA: Anything else you want the mechanic to know before I connect you?Customer: no I think that's it

Your reduced engine power light comes on when the computer system sees a system fault and when this happens the computer will set and store a fault code and or codes. In order to determine what is failing the first thing you need to do is to have the system scanned and the fault code and or codes retrieved. Most auto parts stores like Auto Zone will perform the scan for you at no charge. If you can get this done and post back with the results I will help you get this resolved.